Created
February 15, 2019 21:05
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GCP Cloud KMS encrypting and decrypting data
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from google.cloud import kms_v1 | |
def encrypt(project_id, location_id, key_ring_id, crypto_key_id, plaintext): | |
"""Encrypts input plaintext data using the provided symmetric CryptoKey.""" | |
# Creates an API client for the KMS API. | |
client = kms_v1.KeyManagementServiceClient() | |
# The resource name of the CryptoKey. | |
name = client.crypto_key_path_path(project_id, location_id, key_ring_id, | |
crypto_key_id) | |
# Use the KMS API to encrypt the data. | |
response = client.encrypt(name, plaintext) | |
return response.ciphertext | |
def decrypt(project_id, location_id, key_ring_id, crypto_key_id, ciphertext): | |
"""Decrypts input ciphertext using the provided symmetric CryptoKey.""" | |
# Creates an API client for the KMS API. | |
client = kms_v1.KeyManagementServiceClient() | |
# The resource name of the CryptoKey. | |
name = client.crypto_key_path_path(project_id, location_id, key_ring_id, | |
crypto_key_id) | |
# Use the KMS API to decrypt the data. | |
response = client.decrypt(name, ciphertext) | |
return response.plaintext | |
project_id = 'gcp-project-id' | |
location_id = 'us' | |
key_ring_id = 'my-keyring' | |
crypto_key_id = 'my_key_id' | |
plaintext = b'my-secret-value' | |
ciphertext = encrypt(project_id, location_id, key_ring_id, crypto_key_id, plaintext) | |
ciphertext_encoded = base64.b64encode(ciphertext).decode('utf-8') | |
print(ciphertext_encoded) | |
ciphertext_decoded = base64.b64decode(ciphertext_encoded) | |
plaintext = decrypt(project_id, location_id, key_ring_id, crypto_key_id, ciphertext_decoded) | |
print(plaintext.decode('utf-8')) | |
#For more information: https://cloud.google.com/kms/docs/encrypt-decrypt |
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